<template>
  <div class="app-container">
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="8">
            <el-form-item label="关 键 字">
              <el-input
                style="width: 95%"
                v-model="searchObj.keyword"
                placeholder="用户名/姓名/手机号码"
              ></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="操作时间">
              <el-date-picker
                v-model="createTimes"
                type="datetimerange"
                range-separator="至"
                start-placeholder="开始时间"
                end-placeholder="结束时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                style="margin-right: 10px; width: 100%"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display: flex">
          <el-button
            type="primary"
            icon="el-icon-search"
            size="mini"
            @click="fetchData()"
            >搜索</el-button
          >
          <el-button icon="el-icon-refresh" size="mini" @click="resetData"
            >重置</el-button
          >
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" size="mini" @click="add"
        >添 加</el-button
      >
      <!-- 批量删除按钮 -->
      <el-button class="btn-add" size="mini" @click="batchRemove()"
        >批量删除</el-button
      >
    </div>

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form
        ref="dataForm"
        :model="itripUser"
        label-width="100px"
        size="small"
        style="padding-right: 40px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="itripUser.username" />
        </el-form-item>
        <el-form-item v-if="!itripUser.id" label="密码" prop="password">
          <el-input v-model="itripUser.password" type="password" />
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="itripUser.name" />
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="itripUser.email" />
        </el-form-item>
        <el-form-item label="头像上传" prop="image">
          <el-upload
            class="upload-demo"
            name="uploadImage"
            action="http://localhost:9999/system/upload/uploadImage"
            :limit="1"
            :on-success="handleImageSuccess"
            :before-upload="handleBeforeUpload"
            :show-file-list="false"
          >
            <el-button size="small" type="primary">点击上传</el-button>
          </el-upload>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="itripUser.phone" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button
          @click="dialogVisible = false"
          size="small"
          icon="el-icon-refresh-right"
          >取 消</el-button
        >
        <el-button
          type="primary"
          icon="el-icon-check"
          @click="saveOrUpdate()"
          size="small"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 列表 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%; margin-top: 10px"
      @selection-change="handleSelectionChange"
    >
      <!-- 复选框 -->
      <el-table-column type="selection" />
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="username" label="用户名" width="110" />
      <el-table-column prop="name" label="姓名" width="110" />
      <el-table-column prop="email" label="邮箱" width="110" />
      <el-table-column prop="userImage" label="头像">
        <template slot-scope="scope">
        <viewer>
          <img :src="scope.row.userImage" alt="" style="height: 80px" />
        </viewer>
        </template>
           
      </el-table-column>
      <el-table-column prop="phone" label="手机" />
      <el-table-column label="状态" width="80">
        <template slot-scope="scope">
          <el-switch
             :value="isStatusActive(scope.row.activated)" 
            @change="switchStatus(scope.row)"
          >
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" />

      <el-table-column label="操作" align="center" fixed="right">
        <template slot-scope="scope">
          <el-button
            type="primary"
            icon="el-icon-edit"
            size="mini"
            @click="edit(scope.row.id)"
            title="修改"
          />
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            @click="removeDataById(scope.row.id)"
            title="删除"
          />
          <el-button
            type="warning"
            icon="el-icon-baseball"
            size="mini"
            @click="showAssignRole(scope.row)"
            title="分配角色"
          />
        </template>
      </el-table-column>
    </el-table>

    <!-- 角色分配 -->
    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="itripUser.username"></el-input>
        </el-form-item>

        <el-form-item label="角色列表">
          <el-checkbox
            :indeterminate="isIndeterminate"
            v-model="checkAll"
            @change="handleCheckAllChange"
            >全选</el-checkbox
          >
          <div style="margin: 15px 0"></div>
          <el-checkbox-group
            v-model="userRoleIds"
            @change="handleCheckedChange"
          >
            <el-checkbox
              v-for="role in allRoles"
              :key="role.id"
              :label="role.id"
              >{{ role.roleName }}</el-checkbox
            >
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" @click="assignRole" size="small"
          >保存</el-button
        >
        <el-button @click="dialogRoleVisible = false" size="small"
          >取消</el-button
        >
      </div>
    </el-dialog>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />
  </div>
</template>

<script>
import api from "@/api/user/user.js";
import roleApi from "@/api/role/role.js";
const defaultForm = {
  id: "",
  username: "",
  password: "",
  name: "",
  phone: "",
  activated: 1,
};

export default {
  data() {
    return {
      listLoading: true, // 数据是否正在加载
      list: null, // 数据列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 5, // 每页记录数
      searchObj: {}, // 查询表单对象
      // 处理时间范围条件的
      createTimes: [],
      dialogVisible: false,
      itripUser: defaultForm,
      saveBtnDisabled: false,
      selectValueData: [],

      dialogRoleVisible: false,
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false, // 是否全选
    };
  },
  created() {
    this.fetchData();
  },
  // 生命周期函数：内存准备完毕，页面渲染成功
  mounted() {
    console.log('list mounted......')
  },
  methods: {
    fetchData(page = 1) {
      this.page = page;
      if (this.createTimes && this.createTimes.length == 2) {
        this.searchObj.createTimeBegin = this.createTimes[0];
        this.searchObj.createTimeEnd = this.createTimes[1];
      }

      api
        .getUserPageInfo(this.page, this.limit, this.searchObj)
        .then((response) => {
          //this.list = response.data.list
          this.list = response.data.records;
          this.total = response.data.total;
          // 数据加载并绑定成功
          this.listLoading = false;
        });
    },

    //文件开始上传,开始屏幕遮罩
    handleBeforeUpload() {
      this.loading = true;
    },

    //头像上传
    handleImageSuccess(res, file) {
      console.log(res); // 得到的是图片地址
      console.log(file); // 得到是一个对象

      this.loading = false;
      if (file.response != "") {
        // this.itripUser.image = file.response.data;
        this.itripUser.userImage = file.response;
        console.log(this.itripUser.userImage);

        this.$message({
          type: "info",
          message: "图片上传成功",
          duration: 6000,
        });
      } else {
        this.$message({
          type: "info",
          message: "图片上传失败",
          duration: 6000,
        });
      }
    },

    isStatusActive(activated){
      return activated===1;
    },

    //搜索
    resetData() {
      // 1.清空条件搜索
      this.searchObj = {};
      //2.清空日期条件
      this.createTimes = [];
      //3.刷新数据列表
      this.fetchData();
    },
    add() {
      this.dialogVisible = true; //打开表单
      this.itripUser = {}; //清空表单
    },
    saveOrUpdate() {
      if (this.itripUser.id == null) {
        this.addUser();
      } else {
        this.updateUser();
      }
    },

    //添加
    addUser() {
      api.saveUser(this.itripUser).then((response) => {
        //a.提示语
        this.$message({
          message: "添加用户成功",
          type: "success",
        });
        //b.关闭弹框
        this.dialogVisible = false;
        //c.刷新数据列表
        this.fetchData();
      });
    },

    //修改
    edit(id) {
      //a.根据id去得到当前用户
      api.getUserById(id).then((response) => {
        //b.将数据赋值给 itripUser
        this.itripUser = response.data;
        //c.打开弹框
        this.dialogVisible = true;
      });
    },
    updateUser() {
      api.updateUser(this.itripUser).then((response) => {
        //a.提示语
        this.$message({
          message: "修改用户成功",
          type: "success",
        });
        //b.关闭弹框
        this.dialogVisible = false;
        //c.刷新数据列表
        this.fetchData();
      });
    },
    //根据id删除用户数据
    removeDataById(id) {
      // debugger
      this.$confirm("此操作将永久删除该记录, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        // promise
        // 点击确定，远程调用ajax
        api.removeId(id).then((response) => {
          // 提示
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          //刷新列表
          this.fetchData();
        });
      });
    },
    //批量删除
    batchRemove() {
      // 判断是否有选中select
      if (this.selectValueData.length == 0) {
        this.$message.warning("请选择要删除的记录！");
        return;
      }
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        var ids = [];
        for (var i = 0; i < this.selectValueData.length; i++) {
          var obj = this.selectValueData[i];
          // 获取id值
          var id = obj.id;
          // 将id放进到数组中
          ids.push(id);
        }
        api.bactchremoveId(ids).then((response) => {
          // 提示
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          // 刷新页面
          this.fetchData();
        });
      });
    },
    handleSelectionChange(selectValue) {
      console.log(selectValue);
      this.selectValueData = selectValue;
    },

    // 修改状态
    switchStatus(row) {
      // 如果 可用  设置为 不可用  如果不可用  设置为 可用
      row.activated = row.activated === 1 ? 0 : 1;
      api.updateStatus(row.id, row.activated).then((response) => {
        //a.给出提示
        this.$message.success(response.message || "操作成功");
        //b.再次刷新列表
        this.fetchData();
      });
    },

    //角色分配
    //展示分配角色
    showAssignRole(row) {
      this.itripUser = row;
      this.dialogRoleVisible = true;
      roleApi.getRolesByUserId(row.id).then((response) => {
        this.allRoles = response.data.allRoles;
        this.userRoleIds = response.data.userRoleIds;
        this.checkAll = this.userRoleIds.length === this.allRoles.length;
        this.isIndeterminate =
          this.userRoleIds.length > 0 &&
          this.userRoleIds.length < this.allRoles.length;
      });
    },

    /*
    全选勾选状态发生改变的监听
    */
    handleCheckAllChange(value) {
      // value 当前勾选状态true/false
      // 如果当前全选, userRoleIds就是所有角色id的数组, 否则是空数组
      this.userRoleIds = value ? this.allRoles.map((item) => item.id) : [];
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false;
    },

    /*
    角色列表选中项发生改变的监听
    */
    handleCheckedChange(value) {
      const { userRoleIds, allRoles } = this;
      this.checkAll =
        userRoleIds.length === allRoles.length && allRoles.length > 0;
      this.isIndeterminate =
        userRoleIds.length > 0 && userRoleIds.length < allRoles.length;
    },

    //分配角色
    assignRole() {
      let assginRoleVo = {
        userId: this.itripUser.id,
        roleIdList: this.userRoleIds,
      };
      roleApi.assignRoles(assginRoleVo).then((response) => {
        this.$message.success(response.message || "分配角色成功");
        this.dialogRoleVisible = false;
        this.fetchData(this.page);
      });
    },
  },
};
</script>

<style>
</style>